20161827

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{4051}}^1$

素因数の和:4143

約数の個数: 24

約数和(自身を含む): 33712640

約数和(自身を除く): 13550813

約数列:

[1, 3, 7, 9, 21, 63, 79, 237, 553, 711, 1659, 4051, 4977, 12153, 28357, 36459, 85071, 255213, 320029, 960087, 2240203, 2880261, 6720609, 20161827]

約数ペア:

[(1, 20161827), (3, 6720609), (7, 2880261), (9, 2240203), (21, 960087), (63, 320029), (79, 255213), (237, 85071), (553, 36459), (711, 28357), (1659, 12153), (4051, 4977)]